The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Rochester's signature culinary delicacy.

A collection of the best toys ever made, The National Toy Hall of Fame is filled with kids, fun, and for some reason, a bird preserve.

Comprehensive gaming collection of over 30,000 electronic games and consoles.

A massive Montreal stadium that has seen nothing but trouble since its inception.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This sandstone gorge in New York State's Adirondack Mountains is home to waterfalls, flumes, and more.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

The purported world's shortest international bridge connects a homeowner in Canada to his backyard in New York.

A castle built for love, and abandoned due to heartbreak.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

A whimsical bridge adorned with decorative dragons.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Where the lovelorn find a home for their sentimental keepsakes.